545242122 has 24 divisors (see below), whose sum is σ = 1250850276. Its totient is φ = 171056256.

The previous prime is 545242109. The next prime is 545242127. The reversal of 545242122 is 221242545.

545242122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 533194281 + 12047841 = 23091^2 + 3471^2 .

It is not an unprimeable number, because it can be changed into a prime (545242127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890613 + ... + 891224.

Almost surely, 2^545242122 is an apocalyptic number.

545242122 is an abundant number, since it is smaller than the sum of its proper divisors (705608154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545242122 is a wasteful number, since it uses less digits than its factorization.

545242122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781862 (or 1781859 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 545242122 is about 23350.4201675259. The cubic root of 545242122 is about 816.9518610395.

Adding to 545242122 its reverse (221242545), we get a palindrome (766484667).

It can be divided in two parts, 5452 and 42122, that added together give a palindrome (47574).

The spelling of 545242122 in words is "five hundred forty-five million, two hundred forty-two thousand, one hundred twenty-two".